Elimination of spiral waves in a one-layer and two-layer network of pancreatic beta cells using a periodic stimuli

Karthikeyan Rajagopal, Zhouchao Wei, Irene Moroz, Anitha Karthikeyan and Prakash Duraisamy

Chaos, Solitons & Fractals, 2020, vol. 139, issue C

Abstract: Regulating the glucose level in human body is achieved through the Pancreaticβcells and the glucose release is mainly governed by the bursting activity of the βcells. The Pernarowski model is one of the well known Pancreatic model and is analogous to some of the well known neuron models. The Pernarowski model exhibits chaotic spiking and periodic bursting. In this paper we investigate the dynamical properties of the model through various tools like stability of equilibrium, Hopf's bifurcation, Lyapunov exponents and bifurcation diagrams. As was discussed in literatures the neuron models exhibit spiral waves and so we are interested in understanding such spiral wave generation in the Pernarowski model. For this we construct One-layer and Two-layer network of βcells and study the impact of the plane waves on the spiral wave existence. We show that by a selection of the amplitude and frequency of the stimuli, we can eliminate the spiral waves in the both One-layer and Two-layer network of βcells.

Keywords: βcells; Chaotic spiking; Bifurcation; Spiral waves (search for similar items in EconPapers)
Date: 2020
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (4)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:chsofr:v:139:y:2020:i:c:s0960077920304902

DOI: 10.1016/j.chaos.2020.110093

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